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Message-Id: <1290063401-25440-6-git-send-email-dengcheng.zhu@gmail.com> Date: Thu, 18 Nov 2010 14:56:41 +0800 From: Deng-Cheng Zhu <dengcheng.zhu@...il.com> To: ralf@...ux-mips.org, a.p.zijlstra@...llo.nl, fweisbec@...il.com, will.deacon@....com Cc: linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org, wuzhangjin@...il.com, paulus@...ba.org, mingo@...e.hu, acme@...hat.com, dengcheng.zhu@...il.com Subject: [PATCH 5/5] MIPS/Perf-events: Use unsigned delta for right shift in event update Leverage the commit for ARM by Will Deacon: 446a5a8b1eb91a6990e5c8fe29f14e7a95b69132 ARM: 6205/1: perf: ensure counter delta is treated as unsigned Signed-off-by: Deng-Cheng Zhu <dengcheng.zhu@...il.com> --- arch/mips/kernel/perf_event.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/mips/kernel/perf_event.c b/arch/mips/kernel/perf_event.c index 345232a..0f1cdf5 100644 --- a/arch/mips/kernel/perf_event.c +++ b/arch/mips/kernel/perf_event.c @@ -169,7 +169,7 @@ static void mipspmu_event_update(struct perf_event *event, unsigned long flags; int shift = 64 - TOTAL_BITS; s64 prev_raw_count, new_raw_count; - s64 delta; + u64 delta; again: prev_raw_count = local64_read(&hwc->prev_count); -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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